Dear FreeSurfer experts: When I registered the map of functional activation on each hemisphere, how can I extract mean activation value based on each parcellation region on the surface?
According to FreeSurfer tutorial https://surfer.nmr.mgh.harvard.edu/fswiki/MultiModalTutorialV6.0/IndividualFMRI , the measures extracted by mri_segstats is the functional activation map resampled to the individual's anatomical space by mri_vol2vol. Can mri_segstats extract mean activation value based on each parcellation region in a surface-based way? Thank you for your time! Best, Foucault
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